Build a Log Parser / Simple HTTP Server (Practical)

Question

## Problem

Build a small **log parser** that ingests access logs and reports top URLs, error rates, and p95 latency — or a basic HTTP server with routing. Cloudflare favors realistic mini-projects.

## Example
```
parse N lines -> {top_paths, error_rate, p95_latency}
```

## Constraints
- Stream-friendly; handle malformed lines

## What Cloudflare looks for
Clean modular code, edge-case handling, and tests. Discuss streaming vs buffering for large logs.